Comment 2 for bug 2040274

app-name=null

$ juju show-unit ceph-mon/0

...

  - relation-id: 15
    endpoint: client
    related-endpoint: ceph-client
    application-data: {}
    related-units:
      ceph-iscsi/1:
        in-scope: true
        data:
          application-name: ceph-iscsi
          broker_req: '{"api-version": 1, "ops": [{"op": "create-pool", "name": "iscsi",
            "replicas": 3, "pg_num": null, "crush-profile": null, "app-name": null,
            "compression-algorithm": null, "compression-mode": null, "compression-required-ratio":

...